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Collection:
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NASA Solarsystem Collection
Collection
NASA Solarsystem Collection
Collection
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title:
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Callisto Impact Craters
title
Callisto Impact Craters
title
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description:
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This composite of Galileo spacecraft images of Jupiter's icy moon Callisto combines data from two orbits showing several types of impact craters. North is to the top of the picture; the Sun illuminates the surface from the east. The global image on the right shows one of the largest impact structures on Callisto, the Asgard multiring structure located near 300N latitude, 1420W longitude. The Asgard structure is approximately 1700 kilometers across and consists of a bright central zone surrounded by discontinuous rings. The rings include degraded ridges near the central zone and troughs at the outer margin, which resulted from deformation of the icy crust following impact.
Smaller impacts have smashed into Callisto after the formation of Asgard. The young, bright-rayed crater Burr located on the northern part of Asgard is about 75 kilometers across. Galileo images show a third type of impact crater in this image, a dome crater named Doh, located in the bright central plains of Asgard. Doh (left image) is about 55 kilometers in diameter, while the dome is about 25 kilometers across. Dome craters contain a central mound instead of a bowl-shaped depression or central mountain (peak) typically seen in larger impact craters. This type of crater could represent penetration into a slushy zone beneath the surface of the Asgard impact.
The global image on the right was taken on November 4, 1996, at a distance of 111,900 kilometers by the Solid-State Imaging Camera onboard NASA's Galileo spacecraft during its third orbit around Jupiter. The image on the left was obtained at a resolution of 90 meters per picture element on September 16, 1997, during Galileo's tenth orbit when the spacecraft was less than 9500 kilometers from Callisto.
*Image Credit*: Arizona State University
description
This composite of Galileo spacecraft images of Jupiter's icy moon Callisto combines data from two orbits showing several types of impact craters. North is to the top of the picture; the Sun illuminates the surface from the east. The global image on the right shows one of the largest impact structures on Callisto, the Asgard multiring structure located near 300N latitude, 1420W longitude. The Asgard structure is approximately 1700 kilometers across and consists of a bright central zone surrounded by discontinuous rings. The rings include degraded ridges near the central zone and troughs at the outer margin, which resulted from deformation of the icy crust following impact.
Smaller impacts have smashed into Callisto after the formation of Asgard. The young, bright-rayed crater Burr located on the northern part of Asgard is about 75 kilometers across. Galileo images show a third type of impact crater in this image, a dome crater named Doh, located in the bright central plains of Asgard. Doh (left image) is about 55 kilometers in diameter, while the dome is about 25 kilometers across. Dome craters contain a central mound instead of a bowl-shaped depression or central mountain (peak) typically seen in larger impact craters. This type of crater could represent penetration into a slushy zone beneath the surface of the Asgard impact.
The global image on the right was taken on November 4, 1996, at a distance of 111,900 kilometers by the Solid-State Imaging Camera onboard NASA's Galileo spacecraft during its third orbit around Jupiter. The image on the left was obtained at a resolution of 90 meters per picture element on September 16, 1997, during Galileo's tenth orbit when the spacecraft was less than 9500 kilometers from Callisto.
*Image Credit*: Arizona State University
description
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date:
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12.07.1998
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keywords:
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Solar System Exploration
keywords
Solar System Exploration
keywords
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keywords:
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SSE
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keywords:
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Space
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keywords:
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NASA
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keywords:
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National Aeronautics and Space Administration
keywords
National Aeronautics and Space Administration
keywords
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keywords:
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JPL
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keywords:
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Jet Propulsion Laboratory
keywords
Jet Propulsion Laboratory
keywords
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keywords:
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Planets
keywords
Planets
keywords
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facet_what:
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Crater
facet_what
Crater
facet_what
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facet_what:
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Moon
facet_what
Moon
facet_what
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facet_what:
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Sun
facet_what
Sun
facet_what
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facet_what:
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Galileo
facet_what
Galileo
facet_what
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facet_what:
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Jupiter
facet_what
Jupiter
facet_what
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facet_what:
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Callisto
facet_what
Callisto
facet_what
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facet_what:
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Solid-State Imaging
facet_what
Solid-State Imaging
facet_what
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facet_where:
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Jet Propulsion Laboratory
facet_where
Jet Propulsion Laboratory
facet_where
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facet_where:
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Jupiter
facet_where
Jupiter
facet_where
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facet_where:
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Callisto
facet_where
Callisto
facet_where
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facet_where:
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Arizona
facet_where
Arizona
facet_where
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facet_where:
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Jet Propulsion Laboratory (JPL)
facet_where
Jet Propulsion Laboratory (JPL)
facet_where
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facet_when:
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November 4, 1996
facet_when
November 4, 1996
facet_when
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facet_when:
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September 16, 1997
facet_when
September 16, 1997
facet_when
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facet_when:
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12-07-1998
facet_when
12-07-1998
facet_when
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facet_when_year:
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1998
facet_when_year
1998
facet_when_year
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facet_when_year:
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1996
facet_when_year
1996
facet_when_year
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facet_when_year:
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1997
facet_when_year
1997
facet_when_year
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UID:
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SPD-SLRSY-833
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original url:
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original_url
original url
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